Finding the Fourth Proportional to 80,137.26, 110,588.40 and 44,326.62
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Solution
The fourth proportional to 80,137.26, 110,588.40 and 44,326.62 is: 61,170.17
Step by Step Solution
- Step 1: Write the proportion equation
80,137.26 : 110,588.40 = 44,326.62 : x - Step 2: Convert to fraction form
80,137.26/110,588.40 = 44,326.62/x - Step 3: Cross multiply
80,137.26x = 110,588.40 × 44,326.62 - Step 4: Simplify right side
80,137.26x = 4,902,009,983.21 - Step 5: Solve for x
x = 4,902,009,983.21/80,137.26 - Step 6: Final answer
x = 61,170.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.